Due tags highlighting:
  ☐ misformated @due( 2-31)
    February 31st

  ☐ overdue @due( --1)
    first day of current month, can be misformatted if dateutil module is unavailable

  ☐ overdue     @due( 1-11-11)
    2001 year

  ☐ overdue     @due( ) @due(yo) @due(0)
    it is today by a second before a moment when highlighting is executed

  ☐ overdue     @due( ++) @created(11-11-18 16:32)
    it is 2011-11-19

  ☐ soon        @due( 23:)
    it can be overdue if now is the last hour of a day

  ☐ soon        @due( :59)
    it can be overdue if now is the last minute of an hour

  ☐ soon        @due( +)
    tomorrow

  ☐ none        @due( +1w)

  ☐ none        @due( 1)
    it can be soon if today is the last day of a month

Project:
  ☐ simple
  ☐ with tags @tag1 @tag2
  Completed with done/cancel:
    ✔ done simple @done (13-06-27 10:08)
    ✘ canceled simple @cancelled (13-06-27 10:08)
    ✔ done with tags @tag1 @tag2 @done (13-06-27 10:08)
    ✘ cenceled with tags @tag1 @tag2 @cancelled (13-06-27 10:08)
  Completed without done/cancel:
    ✔ done simple  (13-06-27 10:09)
    ✘ canceled simple  (13-06-27 10:09)
    ✔ done with tags @tag1 @tag2  (13-06-27 10:09)
    ✘ cenceled with tags @tag1 @tag2  (13-06-27 10:09)

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Archive:
  ✔ done simple @done (13-06-27 10:08) @project(Project / Completed with done/cancel)
  ✘ canceled simple @cancelled (13-06-27 10:08) @project(Project / Completed with done/cancel)
  ✔ done with tags @tag1 @tag2 @done (13-06-27 10:08) @project(Project / Completed with done/cancel)
  ✘ cenceled with tags @tag1 @tag2 @cancelled (13-06-27 10:08) @project(Project / Completed with done/cancel)
  ✔ done simple  (13-06-27 10:09) @project(Project / Completed without done/cancel)
  ✘ canceled simple  (13-06-27 10:09) @project(Project / Completed without done/cancel)
  ✔ done with tags @tag1 @tag2  (13-06-27 10:09) @project(Project / Completed without done/cancel)
  ✘ cenceled with tags @tag1 @tag2  (13-06-27 10:09) @project(Project / Completed without done/cancel)